ICOME
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Unit 7

Q1. 1 meter is equal to_______ decimeter .

(a) 10 (b) 20 (c) 5 (d) 6

Answer.
(a) 10
Answer

Q2. Find the perimeter of an equilateral triangle whose area is 4√3 cm2.

(a) 18 (b) 12 (c) 20 (d) 16

Answer.
(b) 12
Answer

Q3. What is the area of a triangle whose sides are sides are 5 m, 12cm and 13cm

(a) 40cm2 (b) 20cm2 (c) 10cm2 (d) 30cm2

Answer.
(d) 30cm2
Answer

Q4. Find the area of a parallelogram with 9 cm and the corresponding altitude is 6 cm.

(a) 6cm2 (b) 27cm2 (c) 54cm2 (d) 9cm2

Answer.
(c) 54cm2
Answer

Q5. Find height of trapezium between two parallel line if the area of trapezium is 60cm2 and sum of parallel sides is 30 cm.

(a) 4 (b) 5 (c) 6 (d) 9

Answer.
(a) 4
Answer

Q6. Find the circumference of a circle if diameter is 10.

(a) 10π (b) 2π (c) 6π (d) 9π

Answer.
(a) 10π
Answer

Q7. Find the altitude of a triangle if its area is 60 cm2 and base is 12 cm.
(a) 12 (b) 10 (c) 6 (d) 5

Answer.
(b) 10
Answer

Q8. Find the area of a circle if its diameter is √2 .

(a) 2π (b) π/2 (c) 2 (d) π

Answer.
(b) π/2
Answer

Q9. Formula of perimeter of a semi-circle having radius r.

(a) πr (b) 2r (c) 2πr (d) πr + 2r

Answer.
(d) πr + 2r
Answer

Q10. The area of a circle of radius 10 is numerically what percent of its circumference ?

(a) 400 (b) 300 (c) 500 (d) 200

Answer.
(c) 500
Answer